package com.liang.gulimall.order.web;

import com.liang.common.execption.NoStockException;
import com.liang.gulimall.order.entity.OrderEntity;
import com.liang.gulimall.order.service.OrderService;
import com.liang.gulimall.order.vo.OrderConfirmVo;
import com.liang.gulimall.order.vo.SubmitOrderResponseVo;
import com.liang.gulimall.order.vo.SubmitOrderVo;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    /**
     * 订单确认页
     *
     * @return
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) {
        OrderConfirmVo orderConfirmVo = null;
        try {
            orderConfirmVo = orderService.confirmOrder();
        } catch (ExecutionException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        model.addAttribute("orderConfirmData", orderConfirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(SubmitOrderVo submitOrderVo, Model model, RedirectAttributes redirectAttributes) {
        //创建订单，验令牌，价格，锁库存
        //下单成功，到支付页
        //失败到确认页
        try{
            SubmitOrderResponseVo responseVo= orderService.submitOrder(submitOrderVo);
            if (responseVo.getCode()==0){
                model.addAttribute("submitOrderResponse",responseVo);
                return "pay";
            }else {
                String msg = "下单失败";
                switch (responseVo.getCode()) {
                    case 1: msg += "令牌订单信息过期，请刷新再次提交"; break;
                    case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg += "库存锁定失败，商品库存不足"; break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (Exception e){
            if (e instanceof NoStockException){
                String message = e.getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }



    }
}
